A party held for a woman who is about to be married, normally attended only by female friends and relatives.

Alternative spelling of nighthawk

(idiomatic) A person whose preference or custom is to remain awake and active during the evening and early morning (night) hours, and who usually sleeps during part of the daytime.

plural of thief in the night

plural of night-soil

The ability, either naturally, by technology or by superpowers, to see in a low light or even dark environment.

To spend a night at someone else's home.

plural of night person

A bird active at night, sometimes identified with a specific species such as a night owl or nightjar, and sometimes seen as a separate animal in its own right.

(archaic, euphemistic) Alternative spelling of night soil